Personal training is usually 30 minute sessions incorporating more supersets and timed rest.

Circuit Training

Choose 3-4 workouts you want to perform. Perform them back to back with minimum to no rest. After completing all the moves, rest anywhere from 45 seconds to a minute. Repeat or pick a new circuit!

Supersets

Similar to circuit training but with only two exercises! Perform two exercises back to back with no rest! One of my favorite super sets involve a back exercise and then a bicep one

Timed Rest

If you really want to keep your heart rate up and keep moving, time your rests between each set. Keep them anywhere from 45-90 seconds.

HIIT or High Intensity Interval Training

Involves picking a movement, performing it all out for a short period of time (I.e 30 sec) and then resting for a short period (I.e 30 seconds). You can do all kinds of movements like plyometrics, sprinting, biking and more! You can also play around with the time on/off (like if you get more advanced, perform for 40 seconds, rest for 20).

Here is an example of a bootcamp circuit involving circuit training, HIIT and timed rests:

Perform each circuit three times. The first time through, perform each move 50 seconds on/10 seconds off, the second time, 40 seconds on/20 seconds off and the third time 30 seconds on/30 seconds off. Rest 60 minutes between each circuit.